Rumble Tuff EZ Express Manual Del Usuario página 15

4.2 Assembly
Verify that the membrane of the Membrane Valve is flat.
A curled membrane will result in suction loss.
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2
4. Start-up Procedure and Operation
With the membrane facing towards
you, firmly insert the Membrane Valve
into the HF Breast Shield Body and
position valve as shown in diagram 2.
Confirm that the Membrane Valve is
securely installed.
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